public class Zjy
{
    public  static  void main (String[] args){
        int a=298;
        byte b;
        b=(byte) a;
        System.out.println("a="+a);
        System.out.println("b="+b);

        byte a1=3;
        byte a2=4;
       int a3= a1+a2;
        System.out.println("a3="+a3);
    }
}
